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On 23.04.2020 01:52, Default User wrote:
> Hey,
>
> A recent thread got me to thinking. So I checked my primary (only
> installed) ssd:
>
> === START OF INFORMATION SECTION ===
> Model Family:     SandForce Driven SSDs
> Device Model:     KINGSTON SV300S37A120G
This drive is based on MLC (2-bit) NAND type chips. According to
datasheet [1] your drive is rated for 64TB TBW.

> 241 Lifetime_Writes_GiB     0x0032   000   000   000    Old_age
> Always       -       3157
> 242 Lifetime_Reads_GiB      0x0032   000   000   000    Old_age
> Always       -       2340
And you has written to it only 3.1TB. This means your drive should
continue to serve you well for a long time, since your workload is low.
The rest of SMART attributes only support my opinion.

> === START OF INFORMATION SECTION ===
> Model Family:     SandForce Driven SSDs
> Device Model:     SanDisk SDSSDA240G
This drive doesn't have any public information about type of NAND memory
it based on, and manufacturer doesn't even rated it for TBW.
If manufacturer this stingy to disclose technical specifications about
his products, usually means that drive is based on cheap TLC (3-bit) or
even QLC (4-bit) NAND type chips.
These kind of chips do not have as much lifespan as MLC, so first drive
is still better, except for its volume 128GB vs 240GB.

> User case is conventional, nothing taxing. No video editing, gaming, etc.
>
> And yes, I do back up, home partition only, using rsync to an external
> usb drive:
>
> sudo rsync -avvzHAXPish --delete /home/default
> /media/default/USBHD005/Backup_of_home_directory_of_Dell_Debian_dimwit
>
> I suppose I could [learn to] do a full system backup and restore to a
> new drive, if I had to.
>
> And if I do need to try to copy my current install to a new drive
> (instead of a fresh install), what is the EASIEST way to do that?
>
If you already doing regular backups you'll be fine. There are no signs
of first drive to be failing anytime soon.
As for full system backup, I usually use CloneZilla project [2]. They
have LiveCD which could be run from USB flash drive to perform efficient
offline copy of entire disk image to another disk or over the network.
If online full system backup is required then I hope somebody else will
chime in with recommendation.


[1] https://www.kingston.com/datasheets/sv300s3_us.pdf
[2] https://clonezilla.org/

-- 
With kindest regards, Alexander.

⢀⣴⠾⠻⢶⣦⠀ 
⣾⠁⢠⠒⠀⣿⡁ Debian - The universal operating system
⢿⡄⠘⠷⠚⠋⠀ https://www.debian.org
⠈⠳⣄⠀⠀⠀⠀ 

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(none) Default User <hunguponcontent@gmail.com> - 2020-04-22 23:00 +0200
  Re: David <bouncingcats@gmail.com> - 2020-04-23 12:00 +0200
  Re: "Alexander V. Makartsev" <avbetev@gmail.com> - 2020-04-23 16:30 +0200
  Re: David Christensen <dpchrist@holgerdanske.com> - 2020-04-24 00:10 +0200
    Re: Default User <hunguponcontent@gmail.com> - 2020-04-24 03:00 +0200
      Re: David Christensen <dpchrist@holgerdanske.com> - 2020-04-24 11:00 +0200
      Backup ideas Andy Smith <andy@strugglers.net> - 2020-04-24 17:40 +0200
        Re: Backup ideas Celejar <celejar@gmail.com> - 2020-04-24 18:30 +0200
          Re: Backup ideas Default User <hunguponcontent@gmail.com> - 2020-04-28 17:50 +0200
            Re: Backup ideas Andrei POPESCU <andreimpopescu@gmail.com> - 2020-04-28 18:20 +0200
              Re: Backup ideas Default User <hunguponcontent@gmail.com> - 2020-04-28 20:30 +0200
                Re: Backup ideas Default User <hunguponcontent@gmail.com> - 2020-04-28 21:20 +0200
                Re: Backup ideas David Christensen <dpchrist@holgerdanske.com> - 2020-04-28 22:30 +0200
                Re: Backup ideas Bob Weber <bobrweber@gmail.com> - 2020-04-28 22:50 +0200
            Re: Backup ideas Bob Weber <bobrweber@gmail.com> - 2020-04-28 20:20 +0200
            Re: Backup ideas Andy Smith <andy@strugglers.net> - 2020-04-28 22:40 +0200
              Re: Backup ideas Celejar <celejar@gmail.com> - 2020-04-29 06:40 +0200
            Re: Backup ideas Celejar <celejar@gmail.com> - 2020-04-29 06:30 +0200
            Re: Backup ideas Alessandro Baggi <alessandro.baggi@gmail.com> - 2020-05-01 12:40 +0200
              Re: Backup ideas Default User <hunguponcontent@gmail.com> - 2020-05-04 03:30 +0200

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